کد مقاله | کد نشریه | سال انتشار | مقاله انگلیسی | نسخه تمام متن |
---|---|---|---|---|
2093035 | 1081913 | 2012 | 6 صفحه PDF | دانلود رایگان |
عنوان انگلیسی مقاله ISI
l-Phenylalanine catabolism and l-phenyllactic acid production by a phototrophic bacterium, Rubrivivax benzoatilyticus JA2
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موضوعات مرتبط
علوم زیستی و بیوفناوری
بیوشیمی، ژنتیک و زیست شناسی مولکولی
بیوتکنولوژی یا زیستفناوری
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چکیده انگلیسی
A phototrophic bacterium (Rubrivivax benzoatilyticus JA2) grows at the expense of l-phenylalanine as sole source of nitrogen but not as carbon source. Near stoichiometric yields of l-phenylpyruvic acid (0.4 mM) and l-phenyllactate (0.4 mM) were observed from l-phenylalanine (0.9 mM consumed). Aminotransfarase and dehydrogenase activities involved in the formation of l-phenylpyruvic acid and l-phenyllactate were demonstrated unequivocally in Rubrivivax benzoatilyticus JA2. Growth conditions and carbon sources had an influence on l-phenyllactate production. The process yielded a maximum of 0.92 mM l-phenyllactate from l-phenylalanine (1 mM) when fructose served as carbon source for R. benzoatilyticus JA2.
ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Microbiological Research - Volume 167, Issue 9, 12 October 2012, Pages 526–531
Journal: Microbiological Research - Volume 167, Issue 9, 12 October 2012, Pages 526–531
نویسندگان
M. Lakshmi Prasuna, Md. Mujahid, Ch. Sasikala, Ch.V. Ramana,